<?php
function sum(float ...$numbers) : float
{
$_intsum = null;
$intsum = function ($sum, array $numbers) use(&$_intsum)
{
if (count($numbers) == 0) {
return $sum;
}
$number = array_shift($numbers);
$sum += $number;
var_dump($sum);
var_dump($numbers);
return $_intsum($sum, $numbers);
};
$_intsum = $intsum;
return $intsum(0, $numbers);
}
echo sum(1, 2, 3, 4);
echo PHP_EOL;
echo sum(1.5, 2, 3, 4);
echo PHP_EOL;
try {
sum('a', 'b', 'c');
} catch (Error $e) {
echo $e->getMessage();
}
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
- float(1)
array(3) {
[0]=>
float(2)
[1]=>
float(3)
[2]=>
float(4)
}
float(3)
array(2) {
[0]=>
float(3)
[1]=>
float(4)
}
float(6)
array(1) {
[0]=>
float(4)
}
float(10)
array(0) {
}
10
float(1.5)
array(3) {
[0]=>
float(2)
[1]=>
float(3)
[2]=>
float(4)
}
float(3.5)
array(2) {
[0]=>
float(3)
[1]=>
float(4)
}
float(6.5)
array(1) {
[0]=>
float(4)
}
float(10.5)
array(0) {
}
10.5
sum(): Argument #1 must be of type float, string given, called in /in/r66l3 on line 28
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
float(1)
array(3) {
[0]=>
float(2)
[1]=>
float(3)
[2]=>
float(4)
}
float(3)
array(2) {
[0]=>
float(3)
[1]=>
float(4)
}
float(6)
array(1) {
[0]=>
float(4)
}
float(10)
array(0) {
}
10
float(1.5)
array(3) {
[0]=>
float(2)
[1]=>
float(3)
[2]=>
float(4)
}
float(3.5)
array(2) {
[0]=>
float(3)
[1]=>
float(4)
}
float(6.5)
array(1) {
[0]=>
float(4)
}
float(10.5)
array(0) {
}
10.5
sum(): Argument #1 must be of type float, string given, called in /in/r66l3 on line 28
- Output for 7.4.0 - 7.4.33
- float(1)
array(3) {
[0]=>
float(2)
[1]=>
float(3)
[2]=>
float(4)
}
float(3)
array(2) {
[0]=>
float(3)
[1]=>
float(4)
}
float(6)
array(1) {
[0]=>
float(4)
}
float(10)
array(0) {
}
10
float(1.5)
array(3) {
[0]=>
float(2)
[1]=>
float(3)
[2]=>
float(4)
}
float(3.5)
array(2) {
[0]=>
float(3)
[1]=>
float(4)
}
float(6.5)
array(1) {
[0]=>
float(4)
}
float(10.5)
array(0) {
}
10.5
Argument 1 passed to sum() must be of the type float, string given, called in /in/r66l3 on line 28
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33
- float(1)
array(3) {
[0]=>
float(2)
[1]=>
float(3)
[2]=>
float(4)
}
float(3)
array(2) {
[0]=>
float(3)
[1]=>
float(4)
}
float(6)
array(1) {
[0]=>
float(4)
}
float(10)
array(0) {
}
10
float(1.5)
array(3) {
[0]=>
float(2)
[1]=>
float(3)
[2]=>
float(4)
}
float(3.5)
array(2) {
[0]=>
float(3)
[1]=>
float(4)
}
float(6.5)
array(1) {
[0]=>
float(4)
}
float(10.5)
array(0) {
}
10.5
Argument 3 passed to sum() must be of the type float, string given, called in /in/r66l3 on line 28
- Output for 5.6.8 - 5.6.28
- Parse error: syntax error, unexpected ':', expecting '{' in /in/r66l3 on line 3
Process exited with code 255. - Output for 5.5.24 - 5.5.35
- Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/r66l3 on line 3
Process exited with code 255.
preferences:
187.38 ms | 401 KiB | 181 Q